Language and communication abilities of children who are mentally retarded in International Education Reporter of the AAMD Vol. 1 No. 2

Language and communication abilities of children who are mentally retarded in International Education Reporter of the AAMD Vol. 1 No. 2, Box: 1, Folder: 54. Personal Papers of Richard Schiefelbusch, PP 458. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/266122 Accessed December 26, 2025.